Question 2 (Essay Worth 30 points) (09.05 HC) Let f(0) = 4 - coso for 0 s 0 s 2nt. Part A: At what value of 0 does f(0) reach a maximum? (10 points) Part B: Determine the equation of a line tangent to f(0) at 0 = . Leave your answer as an exact value in point-slope form. (10 points) Part C: At what value of 0 is the tangent line to f vertical? (10 points) B Q X Source V C B I US X X2 X 1 : | | 99 = = = Styles Format Font Size . A- A